Natsuki Hanae

Ken 'Okarun' Takakura (voice) / Self

若山詩音

Momo Ayase (voice) / Self

Nana Mizuki

Momo's Grandmother / Seiko (Dodoria Santa) (voice)

田中真弓

Turbo Granny (voice)

Kazuya Nakai

Serpoian A / Serpoian B / Serpoian C (voice)

前田佳織里

Miko (voice)

富田美憂

Muko (voice)

綿貫竜之介

Momo's Boyfriend (voice)